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March 15, 2019

Lit. No. 78532, Rev. 02

This manual supersedes all editions with an earlier date.

DEFENDER™ Compact Plow

Owner's Manual

Original Instructions

  A DIVISION OF DOUGLAS DYNAMICS, LLC

 CAUTION

Read this document before operating or 
servicing snowplow.

Western Products, PO Box 245038, Milwaukee, WI  53224-9538 • www.westernplows.com

Summary of Contents for DEFENDER Compact Plow

Page 1: ...ditions with an earlier date DEFENDER Compact Plow Owner s Manual Original Instructions A DIVISION OF DOUGLAS DYNAMICS LLC CAUTION Read this document before operating or servicing snowplow Western Products PO Box 245038 Milwaukee WI 53224 9538 www westernplows com ...

Page 2: ...Lit No 78532 Rev 02 2 March 15 2019 ...

Page 3: ...ss _____________________________________________________________________________ Vehicle Model Year _________________________________________________________________________ Snowplow Model Year _______________________________________________________________________ Snowplow Type Size ______________________________________________ Weight ______________ lb kg Ballast No ___ Yes ___ Amount __________...

Page 4: ...Lit No 78532 Rev 02 4 March 15 2019 ...

Page 5: ...NG YOUR SNOWPLOW 14 Hand Held Control 14 Joystick Control 15 SECURITY GUARD System Operation 16 Smooth Stop 18 One Touch Float 18 Blade Positions 19 Snowplow Headlamp Check 19 Blade Drop Speed Adjustment 20 Transporting the Snowplow 20 Driving and Plowing on Snow and Ice 21 Plowing Snow 21 Parking with Snowplow Attached 22 Towing Disabled or Stuck Vehicles 22 Checking Hydraulic Fluid Level 23 DETA...

Page 6: ...hicle is equipped with our recommended options for plowing snow This will help ensure trouble free operation of your snowplow Keep this manual accessible It is a handy reference in case minor service is required PREFACE When service is necessary bring your snowplow to your local outlet They know your snowplow best and are interested in your complete satisfaction The illustrations found in this man...

Page 7: ...ING CAUTION AND INSTRUCTION LABELS Become familiar with and inform users about the warning caution serial number and instruction labels on the back of the blade NOTE If labels are missing or cannot be read see your sales outlet WARNING Indicates a potentially hazardous situation that if not avoided could result in death or serious personal injury Warning Caution Label Serial Number Label Serial No...

Page 8: ...fore installing operating or making adjustments WARNING Lower the blade when the vehicle is parked Temperature changes could change hydraulic pressure causing the blade to drop unexpectedly or damaging hydraulic components Failure to do this could result in serious personal injury WARNING Remove blade assembly before placing vehicle on hoist WARNING The driver shall keep bystanders clear of the bl...

Page 9: ...e gasoline to clean parts Store only in approved containers away from sources of heat or flame CELL PHONES A driver s first responsibility is the safe operation of the vehicle The most important thing you can do to prevent a crash is to avoid distractions and pay attention to the surroundings Wait until it is safe to operate Mobile Communication Equipment such as cell phones text messaging devices...

Page 10: ...ble capacity decreases as the vehicle is loaded with cargo or other truck equipment or snowplow accessories are installed If there is uncertainty as to whether available capacity exists the actual vehicle as configured must be weighed BALLAST REQUIREMENTS Ballast additional weight is an important part of qualifying vehicles for snowplow eligibility Rear ballast must be used when necessary to remai...

Page 11: ...matically switch to the snowplow headlamps when they are turned ON When the electrical plugs are disconnected the headlamps will automatically switch to vehicle headlamps when they are turned ON Replacement parts are available through your local WESTERN outlet VEHICLE MOUNT KIT Mount kits have been designed for most vehicles Due to the differences among vehicle models the kits are not interchangea...

Page 12: ... a snowplow to float up when large amounts of snow build up in front of the blade while plowing deep snow or stacking snow into piles The scrape lock feature is factory set See your sales outlet for adjustment System Capacity Unit Reservoir 1 3 4 quarts System Total 2 1 8 quarts 12V DC with Connection 1750 psi Pump Relief Valve 4000 psi Angle Relief 3 0 dia 2 8 kW Motor 1 39 hp 0 000476 gal rev Pu...

Page 13: ...hitch pins to ensure ease of attach detach 1 Verify that both receiver hitch pins are pulled out and locked into the receiver notches 2 Slowly drive the vehicle forward to engage the receiver attachment bar into the headgear slots Apply the vehicle parking brake 3 Rotate the hitch pins to unlock them from the receiver notches WARNING Inspect snowplow components and fasteners for wear or damage whe...

Page 14: ...er Float Angle The four diamond shaped buttons in the center of the control face when pressed will result in the blade movements described in the following table Function Description of Operation RAISE Press this button to raise the blade and cancel the FLOAT mode Function times out after 4 0 seconds LOWER Press this button to lower the blade Release the button to stop blade at the desired height ...

Page 15: ...complete release the lever to the center position then move it back into the desired function Automatic Shutdown The control will automatically turn OFF after being idle for 20 minutes To reactivate the control after a shutdown move the ON OFF switch to OFF then back to ON Smooth Stop The control automatically allows the blade to coast to a stop when the lever returns to center position This resul...

Page 16: ...ce you have entered your 4 digit security code the FLOAT light will stop flashing and The power indicator light will turn OFF This indicates that your 4 digit security code is entered and stored in the SECURITY GUARD system 4 Once a 4 digit security code is established the SECURITY GUARD system will recognize any control that has been programmed with the same 4 digit security code If a control not...

Page 17: ...rity code was cleared NOTE To enter a new 4 digit security code see Activation Establishing a 4 Digit Security Code Light Flash Indicators POWER Red Function OFF Control is OFF Solid ON Control is ON and active Slow Flash No communication Fast Flash Snowplow is locked enter 4 digit security code to unlock FLOAT Green Function Solid ON FLOAT function is active Fast Flash Security code activation in...

Page 18: ...ill flash indicating the status of the feature Light Flash Indicators Light Description POWER Red Solid ON Control is ON FLOAT Green 1 Flash Smooth Stop Enabled 2 Flashes Smooth Stop Disabled ONE TOUCH FLOAT One touch FLOAT immediately activates the FLOAT mode and releases the blade to the ground without having to hold the button or lever in LOWER This can improve transition time when backing up t...

Page 19: ...ehicle and snowplow lamps should be ON Left Turn Signal Both vehicle and snowplow lamps should be ON Connecting and disconnecting the electrical plugs should switch between the vehicle and snowplow headlamps as follows Electrical plugs DISCONNECTED Vehicle headlamps function normally Electrical plugs CONNECTED Vehicle headlamp functions transfer to the snowplow headlamps On some DRL systems both t...

Page 20: ...e vehicle headlamp beams Do not change blade position while traveling You could suddenly lower the blade accidentally CAUTION Transport speed should not exceed 45 mph 72 km h BLADE DROP SPEED ADJUSTMENT The quill in the front of the valve manifold adjusts the blade drop speed NOTE The blade will not drop when quill is fully tightened clockwise Turn OFF the plow control turn the quill 1 8 turn outw...

Page 21: ...ched General Instructions 1 Before plowing make sure that you know of any obstructions hidden beneath the snow such as curbs sidewalk shrubs fences or pipes sticking up from the ground If you are unfamiliar with the area to be plowed have someone familiar with the area point out obstacles 2 If possible and when you have good visibility plow during the storm rather than letting snow accumulate 3 Do...

Page 22: ...hear off top layers by plowing with the blade raised 3 to 4 inches for the initial pass 2 Bite into the edges using only partial blade width until job is cut down to size for full blade plowing Rule of thumb 3 of snow plow with entire blade width 6 of snow plow with 3 4 blade width 9 of snow plow with 1 2 blade width Experience and feel are the best guides 3 When plowing deep snow be sure to keep ...

Page 23: ...he fluid change instructions under Hydraulic System in the Maintenance section of this manual CHECKING HYDRAULIC FLUID LEVEL 1 Park the vehicle on a hard level surface and lower the blade to the ground 2 Remove the fill plug NOTE Remove fill plug slowly to relieve any pressure in reservoir OPERATING YOUR SNOWPLOW CAUTION Do not mix different types of hydraulic fluid Some fluids are not compatible ...

Page 24: ...lectric grease to the electrical plugs to maintain the protective coating on the terminals 3 Pull the stand lock pin outward and let the stand drop to the ground Release the stand lock pin Verify that the stand is locked by trying to lift the stand 4 Pull both receiver hitch pins outward and rotate them to lock into their receiver notches WARNING Keep 8 clear of the blade when it is being raised l...

Page 25: ...e information label c Check springs for sag or broken leaves d Check the functioning of any automatic vehicle leveling systems and specific manufacturer s instructions pertaining to vehicle preparation for headlamp aiming e Clean the headlamp lenses f Check for bulb burnout and proper beam switching g Stabilize the vehicle suspension by rocking the vehicle sideways 2 Mark or tape the vertical cent...

Page 26: ...es could change hydraulic pressure causing the blade to drop unexpectedly or damaging hydraulic components Failure to do this can result in serious personal injury Install auxiliary and flashing lights for compliance and visibility in accordance with local regulations Check the vehicle for proper operation Inspect and test your battery Recharge or replace it as necessary Ballast may be necessary o...

Page 27: ...s for example the connecting pin assembly with general purpose petroleum grease NOTE Coat all electrical connections with dielectric grease to maintain the protective coating on the terminals STORAGE Your snowplow is designed to be moved into a storage location using your vehicle and plow attachment system For easier reattachment store the snowplow on a hard level surface MAINTENANCE ...

Page 28: ...m this operation with the snowplow attached to the vehicle Park the vehicle on a hard level surface 2 Lower the blade to the ground Turn the control OFF 3 Remove the fill plug NOTE Remove fill plug slowly to relieve any pressure in reservoir CAUTION Change the fluid at the beginning of each plowing season Failure to do this could result in condensation buildup during the non plowing season CAUTION...

Page 29: ... sealant tape on hydraulic hoses or fittings These materials could damage the product Always use two wrenches to ensure proper tightening of fittings and hoses Use the following procedure to install SAE O ring fittings in the valve block and rams 1 Turn the jam nut on the fitting as far back as possible 2 Lubricate the O ring with clean hydraulic fluid 3 Screw the fitting into the port by hand unt...

Page 30: ...ement fuse must be of the same type and amperage rating as the original Installing a fuse with a higher rating can damage the system and could start a fire MAINTENANCE VEHICLE The snowplow operating vehicle shall be maintained according to manufacturer s recommendations Tire pressure shall be maintained according to manufacturer s recommendation RECYCLE When your snowplow has performed its useful ...

Page 31: ...justable wrench Medium screwdriver Pliers 4A and 2A automotive style fuses Funnel 12V DC test light Flashlight 11 16 and 3 4 open end wrenches 1 4 ratchet 6 extension 5 16 socket Electrical tape 1 quart high performance hydraulic fluid rated to 40 F 40 C MAINTENANCE ...

Page 32: ... reference to illustrations or specifications used Western Products or the vehicle manufacturer may require or recommend optional equipment for snow removal Do not exceed vehicle ratings with a snowplow This product is manufactured under the following US Patents 7 400 058 7 737 576 9 200 418 Western Products offers a limited warranty for all snowplows and accessories See separately printed page fo...

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